package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.CachePut;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * 菜品管理
 */
@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;
    /**
     * 清理缓存数据
     * @param pattern
     */
    /*private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }*/
    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    @CacheEvict(value = "dishCache", allEntries = true)
    public Result save(@RequestBody DishDTO dishDTO) {
        dishService.saveWithFlavor(dishDTO);//后绪步骤开发
        /*//清理缓存数据
        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);*/

        return Result.success();
    }
    /**
    * 分页查询菜品
    * @param dishPageQueryDTO
    * @return
    * */
    @GetMapping("/page")
    @ApiOperation("分页查询菜品")
    public Result<PageResult> pageQuery(DishPageQueryDTO  dishPageQueryDTO) {
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return  Result.success(pageResult);
    }
    /**批量删除菜品
     *  @param ids
     *  @return
     * */
    @DeleteMapping
    @ApiOperation("批量删除菜品")
    @CacheEvict(cacheNames = "dishCache", allEntries = true) // 清除所有缓存
    public Result delete(@RequestParam List<Long> ids) {
        dishService.delete(ids);
       /* //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");*/

        return Result.success();
    }
    /**
     * 根据id查询菜品
     * @param id
     * @return
     **/
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id) {
        DishVO dishVO = dishService.getById(id);
        return Result.success(dishVO);
    }
    /**
     * 修改菜品
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    @CacheEvict(cacheNames = "dishCache", allEntries = true)
    public Result update(@RequestBody DishDTO dishDTO) {
        dishService.update(dishDTO);
        /*//将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");*/
        return Result.success();
    }
    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    @Cacheable(cacheNames =  "dishCache", key = "#categoryId")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    @PostMapping("/status/{status}")
    @ApiOperation("修改菜品状态")
    @CacheEvict(cacheNames = "dishCache", allEntries = true)
    public Result updateStatus(@PathVariable Integer status, Long id) {
        dishService.startOrStop(status, id);
        /*//将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");*/
        return Result.success();
    }

}